21876387

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2347}}^1$

素因数の和:2602

約数の個数: 16

約数和(自身を含む): 31557120

約数和(自身を除く): 9680733

約数列:

[1, 3, 13, 39, 239, 717, 2347, 3107, 7041, 9321, 30511, 91533, 560933, 1682799, 7292129, 21876387]

約数ペア:

[(1, 21876387), (3, 7292129), (13, 1682799), (39, 560933), (239, 91533), (717, 30511), (2347, 9321), (3107, 7041)]